Global Patent Index - EP 0949769 B1

EP 0949769 B1 2004-12-29 - CDMA adaptive antenna receiving apparatus and communication system

Title (en)

CDMA adaptive antenna receiving apparatus and communication system

Title (de)

CDMA Empfangsvorrichtung und Kommunikationssystem mit adaptiver Antenne

Title (fr)

Appareil de réception et système de communication CDMA à antenne adaptative

Publication

EP 0949769 B1 (EN)

Application

EP 99106814 A

Priority

JP 9462698 A

Abstract (en)

[origin: EP0949769A1] A CDMA adaptive antenna receiving apparatus is provided with plural receivers (3-1 to 3-M) of which each is for receiving one or more of desired signal components incoming at the same time. Each of the plural receivers (3-1 to 3-M) includes plural adaptive receiving units (6-1 to 6-L) for updating sequentially a directivity in accordance with one desired signal component. The plural adaptive receiving units (6-1 to 6-L) which are included in the same receiver (3-1 to 3-M) employ a symbol decision error of the same receiver (3-1 to 3-M) in common. Each receiver (3-1 to 3-M) further includes a means (95, 96) for detecting the incoming directions of the plural desired signal components and a means (94) for controlling directivities of the plural adaptive receiving units (6-1 to 6-L) in accordance with the incoming directions of the plural desired signal components and directivities of the plural adaptive receiving units (6-1 to 6-L). <IMAGE>

IPC 1-7 (main, further and additional classification)

H04B 7/08

IPC 8 full level (invention and additional information)

H01Q 3/26 (2006.01); H04B 1/10 (2006.01); H04B 1/707 (2011.01); H04B 7/02 (2006.01); H04B 7/08 (2006.01); H04B 7/10 (2006.01); H04J 13/00 (2011.01); H04B 7/04 (2006.01)

CPC (invention and additional information)

H04B 7/0897 (2013.01); H04B 7/086 (2013.01); H04B 7/0408 (2013.01)

Designated contracting state (EPC)

DE FI FR GB IT SE

EPO simple patent family

EP 0949769 A1 19991013; EP 0949769 B1 20041229; CA 2267517 A1 19991007; CA 2267517 C 20021210; DE 69922867 D1 20050203; JP 3465739 B2 20031110; JP H11298345 A 19991029; US 6714584 B1 20040330

INPADOC legal status


2015-01-30 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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